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用石灰石、硫酸钙、铝土矿对燃煤重金属排放进行控制，发现三种吸附剂对某些有毒重金属有吸附作用，吸附效率与吸附剂种类、粒径大小有关。同时添加吸附剂后对ＳＯ２、ＮＯｘ浓度也有影响
Limestone, calcium sulfate and bauxite were used to control the emission of heavy metals in coal-fired coal. It was found that the three adsorbents adsorbed certain toxic heavy metals. The adsorption efficiency was related to the type of adsorbent and the particle size. At the same time add the adsorbent on the SO2, NOx concentration also have an impact